1013839 has 2 divisors, whose sum is σ = 1013840. Its totient is φ = 1013838.

The previous prime is 1013833. The next prime is 1013843. The reversal of 1013839 is 9383101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013839 - 2⁷ = 1013711 is a prime.

1013839 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506919 + 506920.

It is an arithmetic number, because the mean of its divisors is an integer number (506920).

2^1013839 is an apocalyptic number.

1013839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013839 is an equidigital number, since it uses as much as digits as its factorization.

1013839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1013839 is about 1006.8957244919. The cubic root of 1013839 is about 100.4591882343.

The spelling of 1013839 in words is "one million, thirteen thousand, eight hundred thirty-nine".